JVC TH-A75R Service Manual page 16

TH-A75R
3.1 Test mode
(1) The AC cord is connected after pushing the STOP key and the EJECT key of a main body.
(2) Change to test mode, FL indicate "TEST ??". (?? is version)
At this time, TV monitor indicate the firm number "
(3) Press PAUSE key of the main body, EEPROM initialize is start.
FL indicate "RDS", EEPROM initialize is complete.
(4) Release the test mode by power to off.
3.2 Up grade
3.2.1 How to UPGRADE
(1) Power to on then mode to DVD.
(2) Set the recorded disc.
(Down loaded the up grade program "TH-A75 -Firmware Update Procedure" from Audio Products DIV.
Technological Material of JS-Net .)
(3) FL indicate "UPGRADE", press cursol key of the remote controller.
(4) TV monitor indication the UPGRADE condition.
(5) Upgrade is complete, disc is automatically eject then finish the upgrade.
3.2.2 After UPGRADE
After upgrade, it is should done the EEPROM initialize and confirm the firm number.
(1) Tray close then release the AC cord.
(2) The AC cord is connected after pushing the STOP key and the EJECT key of a main body.
(3) Change to test mode, FL indicate "TEST ??". (?? is version)
In this time, confrim the TV monitor indicate the firm number "114".
(4) EEPROM initialize start by press the PAUSE key of main body.
FL indicate "RDS", EEPROM initialize is complete.
(5) Release the test mode by power to off.
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SECTION 3
Adjustment
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